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LIP 211/LIP 281/LIP 291

Request

Linear scale

LIP 201

Measuring standard

Coefficient of linear expansion

OPTODUR phase grating on Zerodur glass ceramic; grating period 2.048 µm

αtherm (0 ± 0.1) x 10-6 K-1

Accuracy grade*

± 1 µm

± 3 µm (higher accuracy grades available on request)

Measuring length ML*

in mm

20, 30, 50, 70, 120, 170, 220, 270, 320, 370, 420, 470, 520, 570, 620, 670, 720, 770, 820, 870, 920, 970, 1020

370, 420, 470, 520, 570, 620, 670, 720, 770, 820, 870, 920, 970, 1020, 1140, 1240, 1340, 1440, 1540, 1640, 1840, 2040, 2240, 2440, 2640, 2840, 3040

Reference marks

One at midpoint of measuring length

Weight

0.11 g/mm overall length

Scanning head

AK LIP 21

AK LIP 29 F

AK LIP 29 M

AK LIP 28

Interface

EnDat 2.21)

Fanuc Serial Interface

Þi Interface1)

Mitsubishi high speed Interface1)

  1 VPP

Ordering designation

EnDat 22

Fanuc05

Mit03-4

Mit02-2

Integrated interpolation

16 384-fold (14 bits)

Clock frequency

≤ 8 MHz

Calculation time tcal

≤ 5 µs

Resolution

0.03125 nm (31.25 pm)

Signal period

0.512 µm

Cutoff frequency –3 dB

3 MHz

Traversing speed

≤ 120 m/min

≤ 90 m/min (higher
upon request)

Electrical connection*

Cable 0.5 m, 1 m, 2 m, or 3 m with 15-pin D-sub connector (male); interface electronics in the connector

Cable length

See interface description, but ≤ 30 m (with HEIDENHAIN cable)

Voltage supply

3.6 V to 14 V DC

5 V DC ± 0.25 V

Power consumption2) (max.)

At 14 V: 2150 mW; At 3.6 V: 2200 mW

Current consumption

At 5 V: 300 mA (without load, typical)

≤ 390 mA

Laser

Scanning head and scale mounted: Class 1

Scanning head not mounted: Class 3B

Laser diode used: Class 3B

Vibration 55 Hz to 2 000 Hz

Shock 11 ms

≤ 200 m/s2 (IEC 60 068-2-6)

≤ 400 m/s2 (IEC 60 068-2-27)

Operating temperature

0 °C to +50 °C

Weight Scanning head

Connector

Connecting cable

59 g

140 g

22 g/m

* Please select when ordering

1) Absolute position value after scanning the reference marks in “position value 2”

2) See General electrical information in the Interfaces of HEIDENHAIN Encoders brochure